854
FNUS73 KARX 011002
FWSARX
SPOT FORECAST FOR WINTER SPORTS RX...US FOREST SERVCE
NATIONAL WEATHER SERVICE LA CROSSE WI
502 AM CDT FRI MAY 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON MAY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (608) 784-8292 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
CONTINUED DRY CONDITIONS AND, WHEN THE SUN IS SHINING, A VERY
LIGHT BREEZE OUT OF THE NORTH-NORTHWEST WITH GUSTS TO 15 MPH
SHOULD LEAD TO RH VALUES DOWN TO AROUND 30 PERCENT THIS AFTERNOON.
THESE WINDS MAY BE LIGHT AND VARIABLE UNTIL A BIT AFTER SUNRISE,
WHEN THEY SHOULD BECOME CONSISTENTLY OUT OF THE NORTH-NORTHWEST.
WHILE SMOKE DISPERSION AT IGNITION WILL BE POOR, ONCE THE BOUNDARY
LAYER IS ESTABLISHED FOLLOWING SUNRISE CONDITIONS WILL RAPIDLY
IMPROVE WITH EXCELLENT SMOKE DISPERSION EXPECTED BY MIDDAY. A BIT
OF LIGHT RAIN AND/OR SPRINKLES MAY (20%) OCCUR THIS AFTERNOON BUT
AMOUNTS WILL BE MINIMAL, IF ANY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT) THEN BECOMING
PARTLY SUNNY (60-70 PERCENT). WIDESPREAD FROST
EARLY IN THE MORNING. CHANCE OF SPRINKLES LATE
IN THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TEMPERATURE.........27 AT IGNITION...MAX 50.
RH..................77 PERCENT AT IGNITION...MIN 31 PERCENT.
WIND (20 FT)........WINDS NORTH AT 3 MPH AT IGNITION...OTHERWISE
LIGHT WINDS BECOMING NORTH 6 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......400 FT AGL AT IGNITION...OTHERWISE 1600 FT AGL
INCREASING TO 6700 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 15 MPH.
SMOKE DISPERSAL.....POOR /1800 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /87700 KNOT-FT/.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 33 34 36 49 67 73 72 68 66 61 57
WEATHER COV.....WID WID WID CHC CHC CHC CHC
WEATHER TYPE....FST FST FST RW RW RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............27 29 32 35 40 41 43 44 47 48 48 50
RH..............77 75 68 63 52 48 44 40 34 33 32 31
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..3 3 4 6 7 8 8 8 8 8 8 8
20 FT WIND GUST.8 9 9 11 13 13 14 14 14 14 14 15
MIX HGT (KFT)...0.4 0.4 1.6 4.4 5.5 6.3 6.5 6.7 6.7 6.7 6.4 6.4
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.6 6 10 13 14 15 15 15 15 15 15 15
SDSPL KT-FT/10002 2 15 49 66 82 85 88 87 87 83 83
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
CWR.................10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MIN 28.
RH..................MAX 59 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......5800 FT AGL DECREASING TO 300 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 14 MPH SHIFTING TO THE SOUTH AROUND
6 MPH AFTER 3 AM.
SMOKE DISPERSAL.....EXCELLENT (69900 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1100 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 40 28 23 17 15 17 19 22 23 26 26
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............48 47 45 39 37 35 34 33 32 30 30 30
RH..............32 35 37 43 47 49 52 54 57 58 58 59
20 FT WIND DIR..N N N N NE NE NE E E SE SE S
20 FT WIND SPD..8 7 6 5 4 3 3 3 3 3 3 3
20 FT WIND GUST.15 14 13 12 9 11 11 9 8 8 7 7
MIX HGT (KFT)...5.8 2.9 0.7 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3
TRANSP WIND DIR.N N N N NE NE E SE SE S S S
TRANSP WIND SPD.14 13 8 8 6 7 5 3 5 6 6 6
SDSPL KT-FT/100070 31 5 4 2 2 2 1 1 2 1 1
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MAX 58.
RH..................MIN 32 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 6 TO 9 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 4000 FT AGL LATE IN
THE MORNING, THEN INCREASING TO 7300 FT AGL
LATE IN THE MORNING DECREASING TO 5000 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH SHIFTING TO THE WEST 10 TO
17 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (1700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (108300 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........29 29 25 17 13 18 29 38 39 39 42 43
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............29 31 35 39 46 49 51 54 56 57 58 57
RH..............64 60 57 52 44 40 39 35 34 33 32 34
20 FT WIND DIR..S S SW W W W W W W W W W
20 FT WIND SPD..3 3 4 6 7 8 8 8 9 9 9 8
20 FT WIND GUST.7 7 8 11 12 13 14 14 14 14 14 14
MIX HGT (KFT)...0.3 0.4 1.2 2.1 4.0 6.5 7.1 7.3 7.2 7.2 7.1 5.0
TRANSP WIND DIR.S SW SW W W W W W W W W W
TRANSP WIND SPD.7 7 8 10 14 17 17 16 17 17 17 14
SDSPL KT-FT/10002 2 8 19 48 97 106 102 108 108 107 60
FORECASTER...AF
REQUESTED BY...MIKE SOLARZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2612332.0/ARX
.DELDT 05/01/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.SOLARZ@USDA.GOV
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